Hairbrush



FIG. 1 is a front perspective view of a hairbrush;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left side elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof;

FIG. 8 is an enlarged view of the head of the hairbrush shown in FIG. 1;

FIG. 9 is an enlarged view of the head of the hairbrush shown in FIG. 2;

FIG. 10 is an enlarged view of the head of the hairbrush shown in FIG.3;

FIG. 11 is an enlarged view of the head of the hairbrush shown in FIG.4;

FIG. 12 is an enlarged view of the head of the hairbrush shown in FIG.5;

FIG. 13 is an enlarged view of the hairbrush shown in FIG. 6; and,

FIG. 14 is an enlarged view of the hairbrush shown in FIG. 7.

The broken lines illustrate portions of the hairbrush that form no partof the claimed design.

CLAIM The ornamental design for a hairbrush, as shown and described.